Home / 387,991.06-581,816.89-195,747.18

Finding the Fourth Proportional to 387,991.06, 581,816.89 and 195,747.18

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Solution

The fourth proportional to 387,991.06, 581,816.89 and 195,747.18 is: 293,535.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,991.06 : 581,816.89 = 195,747.18 : x
  2. Step 2: Convert to fraction form
    387,991.06/581,816.89 = 195,747.18/x
  3. Step 3: Cross multiply
    387,991.06x = 581,816.89 × 195,747.18
  4. Step 4: Simplify right side
    387,991.06x = 113,889,015,493.87
  5. Step 5: Solve for x
    x = 113,889,015,493.87/387,991.06
  6. Step 6: Final answer
    x = 293,535.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.